body {
    font-family: Arial, sans-serif;
    background-image: url("pic/700px-镜流立绘.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-attachment: fixed;
    margin: 20px;
    padding: 0;  }

#publish_date {
    font-size: 14px;
    color: gray;
    opacity: 0.8;  }

h1 {
   color: #2592d2;
   font-size: 24px;
   font-family: FangSong; 
}

#introduce_video{
    width: 1270px;
    height: 900px;
    margin: auto;
    margin-top: 30px;
}

#main_div {
    opacity: 0.8;
    padding: 20px;
    margin-right: 500px;
}

.story_div {
    background-color: #464748;
    opacity: 0.8;
    color: #fff;
}

.story_heading_container{
    background-color: #1b1816;
}

.story_string_container {
    padding-bottom: 10px;
    padding-left: 5px;
}

#slidePanel {
    background-image: url("pic/镜流弯月.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    position: fixed;
    inset: 0;
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 -5px 25px rgba(0,0,0,0.2);
    z-index: 999;
}

#slidePanel.unable {
    transform: translateY(-100%);
}

#openButton {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    background-color: rgba(107, 155, 226, 0.8);
    color: #fff;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    z-index: 1000;
}

#openButton:hover {
    background: rgba(107, 155, 226, 0.8);
    transform: translateY(-2px);
}

#slidePanelTitle {
    background-image: -webkit-linear-gradient(130deg, #4678d6, #ccdcfd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 60px;
    font-family: 'XiangcuiDazijitiW15';
}

p {
    /*设置行高*/
    line-height: 2;

    /*设置首行缩进*/
    text-indent: 2em;
}